Home / 47,508.48-65,551.44-28,645.20

Finding the Fourth Proportional to 47,508.48, 65,551.44 and 28,645.20

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Solution

The fourth proportional to 47,508.48, 65,551.44 and 28,645.20 is: 39,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,508.48 : 65,551.44 = 28,645.20 : x
  2. Step 2: Convert to fraction form
    47,508.48/65,551.44 = 28,645.20/x
  3. Step 3: Cross multiply
    47,508.48x = 65,551.44 × 28,645.20
  4. Step 4: Simplify right side
    47,508.48x = 1,877,734,109.09
  5. Step 5: Solve for x
    x = 1,877,734,109.09/47,508.48
  6. Step 6: Final answer
    x = 39,524.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.